Unmanned plant protection equipment

By adopting detachable locking components and unlocking operation space in unmanned plant protection equipment, the problems of material waste and pollution when unmanned vehicles roll over are solved, and the load components can be quickly separated, improving operation efficiency and safety.

CN121799515APending Publication Date: 2026-04-07GUANGZHOU XAIRCRAFT TECH CO LTD
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Patent Information

Application Number
CN202411374052.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-29
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Existing unmanned vehicles are prone to tipping over in agricultural plant protection work due to complex terrain, which makes it difficult to quickly separate the fixed load components, resulting in material waste and pollution.

Method used

An unmanned plant protection device was designed, which uses a detachable locking component to lock the load component to the frame, and sets an unlocking operation space at the bottom of the frame to facilitate quick unlocking and separation of the load component in the event of a rollover.

Benefits of technology

When an unmanned vehicle overturns, it can quickly separate the load components without unloading or emptying the materials, avoiding waste and pollution, and improving operational efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses unmanned plant protection equipment which comprises an unmanned vehicle which comprises a vehicle frame; the load assembly is mounted on the frame; the locking assembly is mounted between the frame and the load assembly, so that the load assembly is detachably locked on the frame; the locking assembly comprises a control part used for controlling locking or unlocking, an unlocking operation space is arranged at the bottom of the frame, and a user can operate the control part through the unlocking operation space. When the unmanned vehicle rolls over in the running process, the locking assembly can be directly unlocked to enable the load assembly to be separated from the unmanned vehicle under the condition that materials are not unloaded or emptied, after the unmanned vehicle is independently centralized, the load assembly is placed on the vehicle frame, and the locking assembly is locked again. Therefore, the problems of waste and land pollution can be avoided.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of agricultural equipment, and particularly relates to an unmanned plant protection equipment. BACKGROUND

[0002] With the development of agricultural technology, unmanned vehicles play an increasingly important role in agricultural plant protection work. The unmanned vehicles can be used to carry pesticides, fertilizers, seeds or agricultural products, so as to greatly improve the automation degree of field activities and achieve the effect of reducing labor input and improving work efficiency. Although the unmanned vehicles can autonomously walk without human driving, due to the complex terrain of agricultural scenes, it is generally difficult to avoid the problem of accidental rollover of the unmanned vehicles during automatic driving. Since the load assembly (including a hopper or a liquid tank for loading materials) carried on the existing unmanned vehicles is fixed to the vehicle frame, when rollover occurs, the unmanned vehicle loaded with materials is too heavy, and the materials need to be unloaded or emptied by manual operation before the unmanned vehicle is lifted up again, thereby greatly causing waste of materials. Especially when the loaded materials are liquid pesticides, direct centralized discharge of the liquid pesticides on the spot will cause serious pollution to the land. SUMMARY

[0003] The purpose of the embodiment of the present application is to provide an unmanned plant protection equipment which can solve the above-mentioned problems existing in the prior art.

[0004] To achieve the above-mentioned purpose, the present application adopts the following technical scheme:

[0005] In order to overcome the above technical problems, the present application provides an unmanned plant protection equipment, comprising:

[0006] an unmanned vehicle comprising a vehicle frame;

[0007] a load assembly installed on the vehicle frame;

[0008] a locking assembly installed between the vehicle frame and the load assembly to detachably lock the load assembly on the vehicle frame; the locking assembly comprises a control part for controlling locking or unlocking, and the bottom of the vehicle frame is provided with an unlocking operation space, and a user can operate the control part through the unlocking operation space.

[0009] Optionally, the unlocking operation space is a through hole penetrating through the top and bottom of the vehicle frame, and the control part is located in the through hole.

[0010] Optionally, the locking assembly comprises a first locking member and a second locking member capable of being locked with each other, the control part is connected to the first locking member or the second locking member, one of the first locking member and the second locking member is installed at the bottom of the load assembly, and the other is installed at the side wall of the through hole.

[0011] Optionally, the first locking member is a hook, the second locking member is a movable clasp, and the control part is connected to the second locking member, and the movable clasp is controlled by the control part to be locked or unlocked.

[0012] Optionally, the load assembly comprises a load assembly body and a load assembly chassis fixed to the bottom of the load assembly body, and the first locking member is fixed to the load assembly chassis.

[0013] Optionally, the load assembly body is an injection molded part.

[0014] Optionally, the bottom of the load assembly body is provided with a downwardly protruding connecting boss, the load assembly chassis comprises at least two support beams arranged in parallel on both sides of the connecting boss, the connecting boss is provided with a first connecting hole, and the support beams are correspondingly provided with second connecting holes, and a connecting column penetrates the first connecting hole and the second connecting holes to fix the support beams to the bottom of the load assembly body.

[0015] Optionally, the frame comprises two longitudinal beams and at least two cross beams, the longitudinal beams and the cross beams are vertically connected to form the through hole between the longitudinal beams and the cross beams, and the support beams are vertically arranged on the cross beams.

[0016] Optionally, the opposite side walls of the two longitudinal beams are respectively provided with the second locking members, and the support beams are correspondingly provided with the first locking members close to the side surfaces of the adjacent longitudinal beams.

[0017] Optionally, at least part of the cross beams comprises a square tube sleeve and a support shaft penetrating the square tube sleeve, both ends of the square tube sleeve are fixedly connected to the longitudinal beams, both ends of the support shaft extend out of the end of the square tube sleeve, the support shaft penetrates the longitudinal beams and is connected to a locking nut.

[0018] Optionally, a gasket is arranged between the square tube sleeve and the longitudinal beam, and between the locking nut and the longitudinal beam.

[0019] Optionally, the frame is provided with an avoiding hole, the main body of the locking assembly is installed above the frame to cooperate with the load assembly, the control part is located below the frame, the control part extends to the upper part of the frame through the avoiding hole to be connected to the main body of the locking assembly, and the unlocking operation space is formed below the frame.

[0020] Optionally, the load assembly comprises a hopper.

[0021] Optionally, the hopper is a box body capable of containing a medicinal liquid.

[0022] The beneficial effects of the present application are: the unmanned plant protection equipment provided by the present application adopts a locking assembly to lock a load assembly for loading materials on a vehicle frame of an unmanned vehicle, the locking assembly is a structure that can be repeatedly locked and unlocked, when the unmanned vehicle overturns during operation, the load assembly can be separated from the unmanned vehicle directly by unlocking the locking assembly without unloading or emptying the materials, after the unmanned vehicle is righted alone, the load assembly is placed on the vehicle frame and the locking assembly is relocked, thus the problems of waste and land pollution can be avoided. To facilitate operation, an unlocking operation space is arranged at the bottom of the vehicle frame, after overturning, an operator can face the unlocking operation space, that is, the operator can directly control the control part of the locking assembly to unlock, thus the problem that the control part is pressed between the vehicle and the ground after overturning and cannot be unlocked is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0023] The present application will be further described in detail below according to the drawings and embodiments.

[0024] Figure 1 It is one of the structural schematic diagrams of the unmanned plant protection equipment described in the embodiments of the present application.

[0025] Figure 2 It is the second structural schematic diagram of the unmanned plant protection equipment described in the embodiments of the present application.

[0026] Figure 3 It is Figure 2 the enlarged view of area A in FIG. 1;

[0027] Figure 4 It is the exploded schematic diagram of the unmanned plant protection equipment described in the embodiments of the present application.

[0028] Figure 5 It is Figure 4 the enlarged view of area B in FIG. 1;

[0029] Figure 6 It is the structural schematic diagram of the load assembly described in the embodiments of the present application.

[0030] Figure 7 It is the structural schematic diagram of the locking assembly described in the embodiments of the present application.

[0031] In the drawings:

[0032] 1, load assembly; 11, load assembly main body; 111, connecting boss; 12, support beam; 121, second connecting hole; 2, vehicle frame; 21, unlocking operation space; 22, longitudinal beam; 23, cross arm; 231, square tube sleeve; 232, support shaft; 233, locking nut; 234, gasket; 3, locking assembly; 31, first locking piece; 32, second locking piece; 33, control part; 4, vehicle wheel. DETAILED DESCRIPTION

[0033] To make the technical problems solved by this application, the technical solutions adopted, and the technical effects achieved clearer, the technical solutions of the embodiments of this application are further described in detail below. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0034] In the description of this application, unless otherwise expressly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0035] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0036] With the development of agricultural technology, unmanned vehicles (UAVs) are playing an increasingly important role in agricultural plant protection. Using UAVs to transport pesticides, fertilizers, seeds, or agricultural products can significantly improve the automation of field activities, reducing manpower and increasing operational efficiency. Although UAVs can move autonomously without human drivers, the complex terrain of agricultural settings makes accidental rollovers during autonomous driving unavoidable. Because the load components on existing UAVs (including hoppers for loading materials or pesticide tanks) are fixed to the frame, when a rollover occurs, the weight of the loaded UAV necessitates manual unloading or emptying to right it, leading to significant material waste. This is especially true when the loaded material is pesticide solution; directly discharging the solution on-site can cause serious pollution to the area.

[0037] To overcome the above technical problems, this embodiment provides an unmanned plant protection device, including an unmanned vehicle, a load component 1 installed on the unmanned vehicle, and a locking component 3 that can lock the load component 1 on the unmanned vehicle. The locking component 3 is a removable connection structure. When needed, the load component 1 can be removed from the unmanned vehicle by separating the locking component 3.

[0038] The unmanned plant protection equipment in this solution specifically moves in the field to perform plant protection operations. The specific load component 1 is rationally selected according to the type of plant protection and the form of the transported material. The load component 1 may include a hopper and a spreading or spraying system for discharging the material. For example, when the transported material is a liquid pesticide, to prevent overflow, the hopper in the load component 1 is preferably a pesticide tank. The pesticide tank has a filling port and a sealing cap. The pesticide can be added through the filling port by opening the sealing cap, and the sealing cap can seal the filling port, so that the pesticide inside will not leak out accidentally even if the pesticide tank is tipped over. At the same time, the load device may also include a spraying system, which pumps out and atomizes the pesticide for spraying. When the transported material is granular seeds or fertilizer, the hopper in the load component 1 may be a fully enclosed structure similar to a pesticide tank, or it may be a bucket-shaped structure with an open top. At the same time, the load device may also include a spreading system, which uses a spreading system to spirally push out the granular seeds or fertilizer for spreading.

[0039] In the specific structure of the unmanned plant protection equipment in this embodiment, refer to... Figures 1-2 The unmanned vehicle includes a frame 2; a load assembly 1 is mounted on the frame 2; a locking assembly 3 is mounted between the frame 2 and the load assembly 1 to detachably lock the load assembly 1 to the frame 2; the locking assembly 3 includes a control unit 33 for controlling locking or unlocking, and the bottom of the frame 2 is provided with an unlocking operation space 21, through which the user can operate the control unit 33.

[0040] Generally, the bottom of the frame 2 of an unmanned vehicle is also equipped with multiple wheels 4. The drive device automatically drives the wheels 4 to rotate, so as to realize the autonomous driving function of the unmanned vehicle.

[0041] It should be noted that the chassis described in this application has an unlocking operation space 21 at its bottom. Specifically, based on the autonomous vehicle being placed normally on the ground, this unlocking operation space 21 is located at the bottom of the chassis 2, that is, it faces the ground. When the autonomous vehicle rolls over, the unlocking operation space 21, which was originally facing the ground, becomes an open space facing the side of the vehicle when it was driving normally. At this time, the user can easily operate the locking component 3 to unlock it by standing on the side closest to the unlocking operation space 21. Similarly, when the autonomous vehicle flips 180°, the unlocking operation space 21, which was originally facing the ground, becomes an open space facing the top of the vehicle when it was driving normally, which is also convenient for the user to unlock.

[0042] After the load component 1 is placed back on the upright unmanned vehicle, since the frame 2 itself is a certain distance from the ground, the user only needs to bend down and reach under the frame 2 to lock the locking component 3.

[0043] Furthermore, compared to the design of placing the locking component 3 on the side of the frame 2 and the load component 1, this design, which places the unlocking operation space 21 at the bottom of the frame 2, has significant advantages. Specifically, if the locking component 3 is placed on the side of the frame 2, when the autonomous vehicle overturns, the locking component 3 will be close to the ground. Without sufficient operating space, the user cannot unlock or remove the locking component 3. Therefore, the only option would be to empty the load component 1 before righting the autonomous vehicle and the load component 1 together. With this design, after an overturn, the user can easily operate the locking component 3 to directly separate the load component 1, avoiding the situation where the locking component 3 cannot be unlocked.

[0044] In summary, the unmanned plant protection equipment of this embodiment uses a locking component 3 to lock the load component 1, used for loading materials, onto the frame 2 of the unmanned vehicle. The locking component 3 is a re-locking and unlocking structure. When the unmanned vehicle overturns during operation, the locking component 3 can be unlocked directly without unloading or emptying the materials, allowing the load component 1 to separate from the unmanned vehicle. After the unmanned vehicle is righted, the load component 1 can be placed back onto the frame 2, and the locking component 3 can be locked again. This avoids waste and soil pollution. For ease of operation, this solution provides an unlocking operation space 21 at the bottom of the frame 2. After an overturn, the operator can directly access the unlocking operation space 21, meaning the operator can directly operate the control unit 33 of the locking component 3 to unlock it, preventing the control unit 33 from being trapped between the vehicle and the ground after an overturn, thus avoiding the problem of being unable to unlock.

[0045] Preferably, a rollover warning system is added to the unmanned vehicle. When a rollover is detected, a rollover alarm is immediately issued to remind staff to rush to the scene for handling.

[0046] In one embodiment, the unlocking operation space 21 is a through hole that runs vertically through the frame 2, and the control unit 33 is located in the through hole.

[0047] Specifically, the load assembly 1 is a structure mounted on the frame 2. After installation, the bottom of the load assembly 1 contacts the top of the frame 2. To connect the load assembly 1 to the frame 2, the locking assembly 3 has one part fixedly connected to the frame 2 and the other part fixedly connected to the load assembly 1. The easiest way to set the locking assembly 3 is to place it on the surfaces facing each other on the load assembly 1 and the frame 2. Conversely, placing the locking assembly 3 on the bottom side of the frame 2 is more difficult. Therefore, this solution sets the unlocking operation space 21 as a through hole running vertically through the frame 2, allowing the locking assembly 3 to be placed on the surfaces facing each other on the load assembly 1 and the frame 2. Simultaneously, the control part 33 of the locking assembly 3 can be placed within the through hole, facilitating manual unlocking. Therefore, setting the unlocking operation space 21 as a through hole has the advantage of facilitating the installation of the locking assembly 3 and ensuring that the locking assembly 3 reliably locks the load assembly 1 to the frame 2.

[0048] Among them, a through hole is set as the unlocking operation space 21. When the frame 2 is provided with a horizontal support plate, the through hole can be opened directly on the support plate at the position corresponding to the locking component 3. When the frame 2 is composed of multiple rods connected together, the through cavity formed by the enclosed space between the rods can be used as the through hole.

[0049] In one embodiment, the locking assembly 3 includes a first locking member 31 and a second locking member 32 that can cooperate to lock each other. The control unit 33 is connected to the first locking member 31 or the second locking member 32. One of the first locking member 31 and the second locking member 32 is installed at the bottom of the load assembly 1, and the other is installed on the side wall of the through hole.

[0050] Specifically, taking the installation of the first locking member 31 at the bottom of the load assembly 1 and the second locking member 32 on the side wall of the through hole as an example, this avoids the problem of the second locking member 32 being obstructed by the load assembly 1 after the load assembly 1 is placed on the frame 2, thus preventing misalignment. Simultaneously, the bottom of the load assembly 1, located on the side wall of the through hole, is close to the first locking member 31, allowing for a more direct connection and offering advantages such as easy locking and unlocking and reliable connection. Furthermore, the installation of the second locking member 32 on the side wall of the through hole allows the through hole to accommodate the second locking member 32, preventing it from protruding from the lower surface of the frame 2 and avoiding the problem of the second locking member 32 getting caught on branches or other debris in the field.

[0051] In one embodiment, reference is made to Figure 7The first locking element 31 is a hook, the second locking element 32 is a movable buckle, and the control unit 33 is connected to the second locking element 32. The control unit 33 can control the movable buckle to lock or unlock it.

[0052] The hook typically has a curved or hook-shaped end for securing it to a corresponding position on the bottom of the load assembly 1. The movable latch is a movable locking mechanism that, connected to the control unit 33, enables locking and unlocking. When locked, the movable latch engages tightly with the hook, ensuring a secure connection between the load assembly 1 and the frame 2. The control unit 33, connected to the movable latch, is used by the operator to control the locking and unlocking actions. The control unit 33 can be a push-button, lever, or other type of operating mechanism, allowing the movable latch to move and change its locking state with simple operation. During locking, the operator applies force to the movable latch via the control unit 33, moving it to the position where it engages with the hook. Once the movable latch is fully in contact with the hook and locked, the load assembly 1 is securely fixed to the frame 2. During unlocking, the operator again operates the movable latch via the control unit 33, disengaging it from the hook. Once unlocked, the load assembly 1 can be freely moved or disassembled.

[0053] The combination of hooks and latches ensures a secure connection between the load assembly 1 and the frame 2, enabling it to withstand certain impacts and vibrations. The latches are operated via the control unit 33, allowing for quick locking and unlocking without complex tools or procedures, offering the advantage of simple operation.

[0054] In one embodiment, the load assembly 1 includes a load assembly body 11 and a load assembly 1 base frame fixed to the bottom of the load assembly body 11, and the first locking member 31 is fixed to the load assembly 1 base frame.

[0055] The load assembly body 11 is the main part of the load assembly 1, used for loading and storing materials. It may be made of metal, plastic or other durable materials, with sufficient strength and rigidity to withstand the weight of the materials and vibrations during the autonomous vehicle's operation. The load assembly 1 base frame is a structural component fixed to the bottom of the load assembly body 11, used to provide additional support and stability. The load assembly 1 base frame is preferably made of a high-strength metal material with a large thickness to provide more reliable support. The design of the load assembly 1 base frame should ensure that it can be firmly connected to the load assembly body 11 and can fix the locking component 3 (such as a hook) in the appropriate position.

[0056] This solution sets up a base frame for the load assembly 1 to provide additional support for the main body 11 of the load assembly, making the entire structure of the load assembly 1 more stable. At the same time, the hooks are fixed to the base frame of the load assembly 1, which can more effectively transmit the locking force and reduce the risk of loosening caused by vibration or bumps.

[0057] In one embodiment, the load component body 11 is an injection molded part.

[0058] Based on the base frame of the load assembly 1 providing reliable support and connection at the bottom, the main body 11 of the load assembly adopts an injection molded structure, which has the advantages of low cost, easy molding, good sealing and light weight. In addition, many plastic materials have good resistance to environmental factors such as chemicals, moisture and ultraviolet rays. Therefore, the injection molded part as the main body of the load assembly 11 can be used for a long time in harsh agricultural working environments without worrying about corrosion or damage.

[0059] In one embodiment, reference is made to Figure 6 The load assembly body 11 has a downwardly protruding connecting boss 111 at its bottom. The base frame of the load assembly 1 includes at least two support beams 12 arranged parallel to both sides of the connecting boss 111. The connecting boss 111 has a first connecting hole, and the support beam 12 has a corresponding second connecting hole 121. The connecting column passes through the first connecting hole and the second connecting hole 121 to fix the support beam 12 to the bottom of the load assembly body 11.

[0060] The connecting boss 111 creates a reinforced structural area at the bottom of the load assembly body 11. This raised design not only increases the contact area with the load assembly 1 base frame but also provides a better force transmission path, helping to disperse and resist various forces from material weight and the autonomous vehicle's movement. Importantly, it also allows for direct connection of the support beam 12 and the connecting boss 111 via a transversely penetrating connecting column, achieving a reliable connection structure.

[0061] Preferably, the connecting column is threaded, and after passing through the support beam 12 and the connecting boss 111, it is locked by tightening the nut.

[0062] In summary, this design, through the connection of the boss 111 and the support beam 12, enhances the connection strength between the load assembly body 11 and the base frame, thereby improving the overall structural stability. The through-type connection of the connecting column simplifies the assembly process, reduces assembly difficulty and time costs. Furthermore, when the load assembly body 11 corrodes or cracks, it can be disassembled from the base frame and replaced with a new load assembly body 11.

[0063] In one embodiment, reference is made to Figure 2 and Figure 4The frame 2 includes two longitudinal beams 22 and at least two crossbeams 23. The longitudinal beams 22 and the crossbeams 23 are vertically connected, and the through hole is formed between the longitudinal beams 22 and the crossbeams 23. The support beam 12 is vertically mounted on the crossbeams 23.

[0064] The longitudinal beams 22 are the main load-bearing components of the frame 2, extending along the length of the unmanned vehicle. The crossbeams 23 are components connecting the two longitudinal beams 22, set along the width of the unmanned vehicle and perpendicularly connected to the longitudinal beams 22. Through the combined design of the longitudinal beams 22 and crossbeams 23, the frame 2 forms a stable skeleton structure capable of withstanding significant weight and force. By directly utilizing the cavity formed between the longitudinal beams 22 and the crossbeams as a through hole (i.e., the unlocking operation space 21), the entire frame 2 presents a frame structure, which has the advantage of structural simplicity.

[0065] The support beam 12 is vertically mounted on the crossarm 23, which enables the support beam 12 to effectively transfer the weight and force of the load component body 11 to the crossarm 23 and the longitudinal beam 22, thereby achieving a uniform distribution of the load on the entire frame 2. This design helps to reduce local stress concentration and improve the load-bearing capacity and service life of the frame 2.

[0066] In one embodiment, the opposing sidewalls of the two longitudinal beams 22 are respectively provided with the second locking member 32, and the sidewall of the support beam 12 near the adjacent longitudinal beam 22 is provided with the first locking member 31.

[0067] Specifically, there are two longitudinal beams 22, one on the left and one on the right, and the same applies to the support beams 12. At least one second locking element 32 is provided on the right side of the left longitudinal beam 22, and at least one first locking element 31 is provided on the left side of the left support beam 12. At least one second locking element 32 is provided on the left side of the right longitudinal beam 22, and at least one first locking element 31 is provided on the right side of the right support beam 12.

[0068] The above configuration allows the first locking element 31 and the second locking element 32 to face each other, achieving a reliable counter-pull effect after locking, thus ensuring the reliability of fixing the load assembly 1. Simultaneously, the locking from both sides of the two support beams 12 provides multi-point locking force, similarly ensuring the reliability of fixing the load assembly 1.

[0069] In one embodiment, reference is made to Figures 4-5 At least part of the crossarm 23 includes a square tube sleeve 231 and a support shaft 232 passing through the square tube sleeve 231. The two ends of the square tube sleeve 231 are respectively fixedly connected to the longitudinal beam 22. The two ends of the support shaft 232 extend out of the end of the square tube sleeve 231. The support shaft 232 passes through the longitudinal beam 22 and is connected and locked with a locking nut 233.

[0070] Specifically, in the connection structure between the crossarm 23 and the longitudinal beam 22, the two ends of the square tube sleeve 231 are respectively pressed against the longitudinal beams 22 on both sides, and the locking nuts 233 connected to both ends of the support shaft 232 are respectively pressed from the opposite sides of the two longitudinal beams 22, thereby achieving reliable fixation between the crossarm 23 and the longitudinal beam 22. This structure not only ensures the reliability of the connection, but also has the advantage of convenient assembly and disassembly. In addition, the upper surface of the square tube sleeve 231 is flat, which can provide a sufficiently large support area for the support beam 12, ensuring the reliable installation of the top load assembly 1.

[0071] In one embodiment, gaskets 234 are respectively provided between the square tube sleeve 231 and the longitudinal beam 22, and between the locking nut 233 and the longitudinal beam 22.

[0072] Setting a shim 234 can increase the contact area with the longitudinal beam 22 and improve reliability.

[0073] In another embodiment, the frame 2 is provided with a clearance hole, the main body of the locking component 3 is installed on the upper part of the frame 2 to cooperate in locking the load component 1, the control unit 33 is located below the frame 2, and the control unit 33 extends to the upper part of the frame 2 through the clearance hole to connect with the main body of the locking component 3, forming the unlocking operation space 21 below the frame 2.

[0074] Specifically, the main difference in this embodiment is that the control unit 33 is not located in the clearance hole, but is directly located below the frame 2. The locking component 3 in this configuration is preferably a bolt and nut assembly. For example, a nut is fixedly installed at the bottom of the load assembly 1, and a clearance hole corresponding to the nut is provided on the frame 2. After placing the load assembly 1 on the frame 2 and aligning the nut and the clearance hole, a bolt is inserted and connected to the nut for fixation. In this case, the nut of the bolt is the control unit 33.

[0075] In one embodiment, the load component 1 includes a hopper.

[0076] Setting up a hopper allows for the loading and transportation of materials.

[0077] In one embodiment, the hopper is a box capable of holding liquid medicine.

[0078] The side-tipping detachable structure of this embodiment has significant advantages when applied to the field of liquid medicine transportation. Specifically, the medicine tank has a fully enclosed structure, and the liquid medicine in the tank will not spill out after the unmanned vehicle tipps over. The liquid medicine can only be discharged when the tank lid is opened manually. Based on the structure of this embodiment, in the event of a tipping over, the locking component 3 can be unlocked and the load component 1 can be disassembled without emptying the tank. After the unmanned vehicle is righted, the load component 1 can be reinstalled on the unmanned vehicle.

[0079] In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and other orientations or positional relationships are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used merely for descriptive distinction and have no special meaning.

[0080] In the description of this specification, references to terms such as "an embodiment," "example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example.

[0081] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style of the specification is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0082] The technical principles of this application have been described above with reference to specific embodiments. These descriptions are merely for explaining the principles of this application and should not be construed as limiting the scope of protection of this application in any way. Based on this explanation, those skilled in the art can readily conceive of other specific embodiments of this application without inventive effort, and these embodiments will all fall within the scope of protection of this application.

Claims

1. An unmanned plant protection device, characterized in that, include: Driverless vehicle, including vehicle frame (2); A load-bearing assembly (1) is mounted on the frame (2); A locking component (3) is installed between the frame (2) and the load component (1) to detachably lock the load component (1) onto the frame (2); the locking component (3) includes a control unit (33) for operating the locking or unlocking, and the bottom of the frame (2) is provided with an unlocking operation space (21), through which the user can operate the control unit (33).

2. The unmanned plant protection equipment according to claim 1, characterized in that, The unlocking operation space (21) is a through hole that runs vertically through the frame (2), and the control unit (33) is located in the through hole.

3. The unmanned plant protection equipment according to claim 2, characterized in that, The locking assembly (3) includes a first locking member (31) and a second locking member (32) that can cooperate to lock each other. The control unit (33) is connected to the first locking member (31) or the second locking member (32). One of the first locking member (31) and the second locking member (32) is installed at the bottom of the load assembly (1), and the other is installed on the side wall of the through hole.

4. The unmanned plant protection equipment according to claim 3, characterized in that, The first locking element (31) is a hook, the second locking element (32) is a movable buckle, and the control unit (33) is connected to the second locking element (32). The movable buckle can be controlled by the control unit (33) to lock or unlock the movable buckle.

5. The unmanned plant protection equipment according to claim 3, characterized in that, The load assembly (1) includes a load assembly body (11) and a load assembly (1) base frame fixed to the bottom of the load assembly body (11), and the first locking member (31) is fixed to the load assembly (1) base frame.

6. The unmanned plant protection equipment according to claim 5, characterized in that, The main body (11) of the load component is an injection molded part.

7. The unmanned plant protection equipment according to claim 5, characterized in that, The bottom of the load assembly body (11) is provided with a downwardly protruding connecting boss (111). The base frame of the load assembly (1) includes at least two support beams (12) arranged parallel to both sides of the connecting boss (111). The connecting boss (111) is provided with a first connecting hole, and the support beam (12) is provided with a corresponding second connecting hole (121). The connecting column passes through the first connecting hole and the second connecting hole (121) to fix the support beam (12) to the bottom of the load assembly body (11).

8. The unmanned plant protection equipment according to claim 7, characterized in that, The frame (2) includes two longitudinal beams (22) and at least two crossbeams (23), the longitudinal beams (22) and the crossbeams (23) are vertically connected, and the through hole is formed between the longitudinal beams (22) and the crossbeams (23); the support beam (12) is vertically mounted on the crossbeams (23).

9. The unmanned plant protection equipment according to claim 8, characterized in that, The opposing sidewalls of the two longitudinal beams (22) are respectively provided with the second locking member (32), and the side of the support beam (12) near the adjacent longitudinal beam (22) is provided with the first locking member (31).

10. The unmanned plant protection equipment according to claim 8, characterized in that, At least part of the crossarm (23) includes a square tube sleeve (231) and a support shaft (232) passing through the square tube sleeve (231). The two ends of the square tube sleeve (231) are respectively fixedly connected to the longitudinal beam (22). The two ends of the support shaft (232) extend out of the end of the square tube sleeve (231). The support shaft (232) passes through the longitudinal beam (22) and is connected and locked with a locking nut (233).

11. The unmanned plant protection equipment according to claim 10, characterized in that, Gaskets (234) are provided between the square tube sleeve (231) and the longitudinal beam (22), and between the locking nut (233) and the longitudinal beam (22).

12. The unmanned plant protection equipment according to claim 1, characterized in that, The frame (2) is provided with a clearance hole. The main body of the locking component (3) is installed on the upper part of the frame (2) to cooperate in locking the load component (1). The control unit (33) is located below the frame (2). The control unit (33) extends through the clearance hole to the upper part of the frame (2) to connect with the main body of the locking component (3), forming the unlocking operation space (21) below the frame (2).

13. The unmanned plant protection equipment according to any one of claims 1-12, characterized in that, The load component (1) includes a hopper.

14. The unmanned plant protection equipment according to claim 13, characterized in that, The hopper is a container capable of holding the liquid medicine.